Debt (Tables)

9 Months Ended

Jun. 30, 2016

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments

The aggregate principal amounts of the Tendered Notes subject to the tender offers, the associated amounts repaid on June 27, 2016, and the remaining amounts outstanding as of June 30, 2016, are as follows:

Notes	Aggregate Principal Amounts		Amounts Repaid on June 27, 2016		Remaining Amounts Outstanding at June 30, 2016
6.50% Senior Notes due May 2021	$	270,001	$	203,476	$	66,525
6.75% Senior Notes due May 2020	550,000		406,946		143,054
6.25% Senior Notes due August 2019	450,000		306,721		143,279
Total	$	1,270,001	$	917,143	$	352,858